79230230003209 has 2 divisors, whose sum is σ = 79230230003210. Its totient is φ = 79230230003208.

The previous prime is 79230230003207. The next prime is 79230230003237. The reversal of 79230230003209 is 90230003203297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69206958941184 + 10023271062025 = 8319072^2 + 3165955^2 .

It is a cyclic number.

It is not a de Polignac number, because 79230230003209 - 2¹ = 79230230003207 is a prime.

It is a super-2 number, since 2×79230230003209² (a number of 29 digits) contains 22 as substring.

Together with 79230230003207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (79230230003207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39615115001604 + 39615115001605.

It is an arithmetic number, because the mean of its divisors is an integer number (39615115001605).

Almost surely, 2^{79230230003209} is an apocalyptic number.

It is an amenable number.

79230230003209 is a deficient number, since it is larger than the sum of its proper divisors (1).

79230230003209 is an equidigital number, since it uses as much as digits as its factorization.

79230230003209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 40.

The spelling of 79230230003209 in words is "seventy-nine trillion, two hundred thirty billion, two hundred thirty million, three thousand, two hundred nine".